no code implementations • 19 Mar 2025 • Fereshteh Forghani, Jason J. Yu, Tristan Aumentado-Armstrong, Konstantinos G. Derpanis, Marcus A. Brubaker
We study the effect of scene scale ambiguity in GNVS when sampled from a single image by isolating its effect on the resulting models and, based on these intuitions, define new metrics that measure the scale inconsistency of generated views.
no code implementations • 18 Feb 2025 • Ahmad Salimi, Tristan Aumentado-Armstrong, Marcus A. Brubaker, Konstantinos G. Derpanis
In this paper, we focus on 3D scene inpainting, where parts of an input image set, captured from different viewpoints, are masked out.
1 code implementation • 19 Dec 2024 • Vahid Zehtab, David B. Lindell, Marcus A. Brubaker, Michael S. Brown
To this end, we propose a model with a memory footprint of less than 0. 25 MB that can reconstruct 512 LUTs with only minor color distortion ($\bar{\Delta}E_M$ $\leq$ 2. 0) over the entire color gamut.
no code implementations • 15 Jun 2024 • Shayan shekarforoush, David B. Lindell, Marcus A. Brubaker, David J. Fleet
Cryo-EM is an increasingly popular method for determining the atomic resolution 3D structure of macromolecular complexes (eg, proteins) from noisy 2D images captured by an electron microscope.
no code implementations • 28 Feb 2024 • Jason J. Yu, Tristan Aumentado-Armstrong, Fereshteh Forghani, Konstantinos G. Derpanis, Marcus A. Brubaker
This paper considers the problem of generative novel view synthesis (GNVS), generating novel, plausible views of a scene given a limited number of known views.
no code implementations • 27 Oct 2023 • Tristan Aumentado-Armstrong, Ashkan Mirzaei, Marcus A. Brubaker, Jonathan Kelly, Alex Levinshtein, Konstantinos G. Derpanis, Igor Gilitschenski
The resulting latent-space NeRF can produce novel views with higher quality than standard colour-space NeRFs, as the AE can correct certain visual artifacts, while rendering over three times faster.
no code implementations • 16 Sep 2023 • Shayan shekarforoush, Amanpreet Walia, Marcus A. Brubaker, Konstantinos G. Derpanis, Alex Levinshtein
Recent image enhancement methods have shown the advantages of using a pair of long and short-exposure images for low-light photography.
no code implementations • 17 Aug 2023 • Ashkan Mirzaei, Tristan Aumentado-Armstrong, Marcus A. Brubaker, Jonathan Kelly, Alex Levinshtein, Konstantinos G. Derpanis, Igor Gilitschenski
A field is trained on relevance maps of training views, denoted as the relevance field, defining the 3D region within which modifications should be made.
1 code implementation • ICCV 2023 • Jason J. Yu, Fereshteh Forghani, Konstantinos G. Derpanis, Marcus A. Brubaker
In this paper, we propose a novel generative model capable of producing a sequence of photorealistic images consistent with a specified camera trajectory, and a single starting image.
no code implementations • ICCV 2023 • Ashkan Mirzaei, Tristan Aumentado-Armstrong, Marcus A. Brubaker, Jonathan Kelly, Alex Levinshtein, Konstantinos G. Derpanis, Igor Gilitschenski
The popularity of Neural Radiance Fields (NeRFs) for view synthesis has led to a desire for NeRF editing tools.
no code implementations • CVPR 2023 • Ashkan Mirzaei, Tristan Aumentado-Armstrong, Konstantinos G. Derpanis, Jonathan Kelly, Marcus A. Brubaker, Igor Gilitschenski, Alex Levinshtein
We refer to this task as 3D inpainting.
1 code implementation • CVPR 2022 • Seonghyeon Nam, Abhijith Punnappurath, Marcus A. Brubaker, Michael S. Brown
Our experiments show that our learned sampling can adapt to the image content to produce better raw reconstructions than existing methods.
1 code implementation • CVPR 2022 • Ali Maleky, Shayan Kousha, Michael S. Brown, Marcus A. Brubaker
This paper proposes a framework for training a noise model and a denoiser simultaneously while relying only on pairs of noisy images rather than noisy/clean paired image data.
no code implementations • CVPR 2022 • Shayan Kousha, Ali Maleky, Michael S. Brown, Marcus A. Brubaker
The nonlinear steps on the ISP culminate in a significantly more complex noise distribution in the sRGB domain and existing raw-domain noise models are unable to capture the sRGB noise distribution.
1 code implementation • 1 Jun 2022 • Shayan shekarforoush, David B. Lindell, David J. Fleet, Marcus A. Brubaker
Coordinate networks like Multiplicative Filter Networks (MFNs) and BACON offer some control over the frequency spectrum used to represent continuous signals such as images or 3D volumes.
1 code implementation • 17 Sep 2021 • Mahmoud Afifi, Marcus A. Brubaker, Michael S. Brown
Auto white balance (AWB) is applied by camera hardware at capture time to remove the color cast caused by the scene illumination.
no code implementations • 2 Aug 2021 • Seonghyeon Nam, Marcus A. Brubaker, Michael S. Brown
We propose a framework for aligning and fusing multiple images into a single view using neural image representations (NIRs), also known as implicit or coordinate-based neural representations.
1 code implementation • 30 Jun 2021 • Shayan Kousha, Marcus A. Brubaker
The purpose of generative Zero-shot learning (ZSL) is to learning from seen classes, transfer the learned knowledge, and create samples of unseen classes from the description of these unseen categories.
1 code implementation • NeurIPS 2021 • Ruizhi Deng, Marcus A. Brubaker, Greg Mori, Andreas M. Lehrmann
Partial observations of continuous time-series dynamics at arbitrary time stamps exist in many disciplines.
1 code implementation • 26 Jun 2021 • Mahmoud Afifi, Abdullah Abuolaim, Mostafa Hussien, Marcus A. Brubaker, Michael S. Brown
A nice feature of our method is that it enables the users to manually select the color associations between the target style and content image for more transfer flexibility.
no code implementations • 14 Feb 2021 • James A. Brofos, Marcus A. Brubaker, Roy R. Lederman
For instance, some kinds of data may be known to lie on the surface of a sphere.
1 code implementation • CVPR 2021 • Mahmoud Afifi, Marcus A. Brubaker, Michael S. Brown
This goal has led to significant interest in methods that can intuitively control the appearance of images generated by GANs.
1 code implementation • NeurIPS 2020 • Jason J. Yu, Konstantinos G. Derpanis, Marcus A. Brubaker
Normalizing flows are a class of probabilistic generative models which allow for both fast density computation and efficient sampling and are effective at modelling complex distributions like images.
no code implementations • 24 Feb 2020 • Ruizhi Deng, Yanshuai Cao, Bo Chang, Leonid Sigal, Greg Mori, Marcus A. Brubaker
In this work, we propose a novel probabilistic sequence model that excels at capturing high variability in time series data, both across sequences and within an individual sequence.
1 code implementation • NeurIPS 2020 • Ruizhi Deng, Bo Chang, Marcus A. Brubaker, Greg Mori, Andreas Lehrmann
Normalizing flows transform a simple base distribution into a complex target distribution and have proved to be powerful models for data generation and density estimation.
2 code implementations • 25 Aug 2019 • Ivan Kobyzev, Simon J. D. Prince, Marcus A. Brubaker
Normalizing Flows are generative models which produce tractable distributions where both sampling and density evaluation can be efficient and exact.
1 code implementation • ICCV 2019 • Abdelrahman Abdelhamed, Marcus A. Brubaker, Michael S. Brown
Modeling and synthesizing image noise is an important aspect in many computer vision applications.
Ranked #8 on
Image Denoising
on SID x300
no code implementations • 4 Dec 2018 • Micha Livne, Leonid Sigal, Marcus A. Brubaker, David J. Fleet
To our knowledge, this is the first approach to take physics into account without explicit {\em a priori} knowledge of the environment or body dimensions.
1 code implementation • CVPR 2018 • Matthew Tesfaldet, Marcus A. Brubaker, Konstantinos G. Derpanis
Given an input dynamic texture, statistics of filter responses from the object recognition ConvNet encapsulate the per-frame appearance of the input texture, while statistics of filter responses from the optical flow ConvNet model its dynamics.
no code implementations • 23 Jun 2016 • Wei-Chiu Ma, Shenlong Wang, Marcus A. Brubaker, Sanja Fidler, Raquel Urtasun
In this paper we present a robust, efficient and affordable approach to self-localization which does not require neither GPS nor knowledge about the appearance of the world.
no code implementations • CVPR 2015 • Marcus A. Brubaker, Ali Punjani, David J. Fleet
A new framework for estimation is introduced which relies on modern stochastic optimization techniques to scale to large datasets.
no code implementations • 19 Jan 2015 • Ali Punjani, Marcus A. Brubaker
Determining the 3D structures of biological molecules is a key problem for both biology and medicine.
no code implementations • NeurIPS 2013 • Yanshuai Cao, Marcus A. Brubaker, David J. Fleet, Aaron Hertzmann
We propose an efficient optimization algorithm for selecting a subset of training data to induce sparsity for Gaussian process regression.
no code implementations • CVPR 2013 • Marcus A. Brubaker, Andreas Geiger, Raquel Urtasun
In this paper we propose an affordable solution to selflocalization, which utilizes visual odometry and road maps as the only inputs.